> ## Documentation Index
> Fetch the complete documentation index at: https://docs.risingwave.com/llms.txt
> Use this file to discover all available pages before exploring further.

# System catalogs

> System catalogs that can be used to query metadata.

<CardGroup>
  <Card title="Information schema" icon="database" iconType="solid" href="/sql/system-catalogs/information-schema"> A set of views containing information about objects defined in the current database. </Card>
  <Card title="PostgreSQL catalogs" icon="table" iconType="solid" href="/sql/system-catalogs/pg-catalog"> System catalogs and views of PostgreSQL supported by RisingWave. </Card>
  <Card title="RisingWave catalogs" icon="wave-square" iconType="solid" href="/sql/system-catalogs/rw-catalog"> System tables and views providing metadata about relations and cluster job status in RisingWave. </Card>
</CardGroup>